Cytogenetic Alterations and Cytokeratin Expression Patterns in Breast Cancer: Integrating a New Model of Breast Differentiation into Cytogenetic Pathways of Breast Carcinogenesis

Eberhard Korsching, Jens Packeisen, Konstantin Agelopoulos, +6

Laboratory Investigation

Breast OncologyBreast DifferentiationMedicineCytogenetic AlterationsBreast Cancer +5

The origin of vimentin expression in invasive breast cancer: epithelial–mesenchymal transition, myoepithelial histogenesis or histogenesis from progenitor cells with bilinear differentiation potential?

Eberhard Korsching, Jens Packeisen, Cornelia Liedtke, +6

The Journal of Pathology

Breast OncologyVimentin ExpressionPathologyMyoepithelial HistogenesisCancer Biology +18

Poorly Differentiated Breast Carcinoma is Associated with Increased Expression of the Human Polycomb Group EZH2 Gene

Frank M. Raaphorst, Chris J.L.M. Meijer, Elly Fieret, +7

Neoplasia

Cytokeratin 8/18 expression indicates a poor prognosis in squamous cell carcinomas of the oral cavity

Thomas Fillies, R. Werkmeister, Jens Packeisen, +5

BMC Cancer

Interlaboratory variability of Ki67 staining in breast cancer

Cornelia M. Focke, Horst Bürger, P. J. van Diest, +36

European Journal of Cancer

Tumor BiologyBreast OncologyOncologyMedicinePathology +4

First evidence supporting a potential role for the BMP/SMAD pathway in the progression of oestrogen receptor‐positive breast cancer

Mike W. Helms, Jens Packeisen, Christian August, +4

The Journal of Pathology

Breast OncologyEngineeringBmp/smad PathwayCancer BiologyTumor Biology +15

Allelic length of a CA dinucleotide repeat in the <i>egfr</i> gene correlates with the frequency of amplifications of this sequence—first results of an inter‐ethnic breast cancer study

Horst Buerger, Jens Packeisen, Almuth Boecker, +8

The Journal of Pathology

Tissue microarrays: a new approach for quality control in immunohistochemistry

Jens Packeisen

Journal of Clinical Pathology

Amplifications of the epidermal growth factor receptor gene (egfr) are common in phyllodes tumors of the breast and are associated with tumor progression

Christian Kersting, Arno Kuijper, Hartmut Schmidt, +11

Laboratory Investigation

Breast OncologyMedicineTumor ProgressionPathologyBreast Cancer +6

Pitfalls in immunohistochemical assessment of EGFR expression in soft tissue sarcomas

Christian Kersting, Jens Packeisen, Benedikt Leidinger, +6

Journal of Clinical Pathology